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New magnets for energy and spintronics

Event Dates:

Seminar Location:

JILA X317

Speaker Name(s):

Nirmal Ghimire

Speaker Affiliation(s):

LANL

Seminar Type/Subject

Scientific Seminar Type:

Condensed Matter Seminar

Event Details & Abstract:

"New" materials are particularly important in condensed matter physics research. They either directly help advance technologies or provide a way address unresolved problems. My talk will focus on our recent efforts to find new materials that are potential for energy and spintronics applications. Due to the high cost and the limited availability of the rare earth elements, which are the main constituents of the present day permanent magnets, it is necessary to find a rare earth free version. Noncentrosymmetric magnets are a class of materials that are likely to host modulated magnetic structures such as skyrmions and solitons and are potential candidates for spintronics applications. In this talk, I will discuss the hard ferromagnetic behavior of Hf2Co11B, a competitive candidate for the non-rare earth permanent magnets and will present magnetic, thermal and transport properties of the noncentrosymmetric magnet Cr1/3NbS2, the sole known conductor of the kind till date to host a soliton lattice.

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JILA is a joint physics institute of the University of Colorado at Boulder and the National Institute of Standards and Technology. We support an eclectic and innovative research program that fosters creative collaborations among our scientists. Collaborations play a key role in the pioneering research JILA and the JILA Physics Frontier Center are known for around the world. To learn more, visit our About JILA page.